Home / 166,111.90-229,112.02-125,277.72

Finding the Fourth Proportional to 166,111.90, 229,112.02 and 125,277.72

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Solution

The fourth proportional to 166,111.90, 229,112.02 and 125,277.72 is: 172,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,111.90 : 229,112.02 = 125,277.72 : x
  2. Step 2: Convert to fraction form
    166,111.90/229,112.02 = 125,277.72/x
  3. Step 3: Cross multiply
    166,111.90x = 229,112.02 × 125,277.72
  4. Step 4: Simplify right side
    166,111.90x = 28,702,630,344.63
  5. Step 5: Solve for x
    x = 28,702,630,344.63/166,111.90
  6. Step 6: Final answer
    x = 172,790.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.